Yashio, Saitama, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
August Air Quality Analysis
Yashio, Saitama, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
72AQILowest AQI recorded on
8th Aug 2021
10AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 38 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Yashio, Saitama, Japan
AQI
Day
Night
.
4 AM2nd Aug 2025
6 PM
3 AM3rd Aug 2025
Day time
Avg. Highest Time
6PM2nd Aug
55AQI
Avg. Lowest Time
10AM2nd Aug
31AQI
Night time
Avg. Highest Time
7PM2nd Aug
51AQI
Avg. Lowest Time
9PM2nd Aug
34AQI
In the last 24 hours,
Yashio's AQI reached its highest point of 55 at 6 PM during the Day, while the lowest point, 31, was recorded at 10 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yashio, Saitama, Japan
JulAug
04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd
Day
Night
4th Jul 2025424 AMAQI
4th Jul 2025445 AMAQI
4th Jul 2025446 AMAQI
4th Jul 2025447 AMAQI
4th Jul 2025448 AMAQI
4th Jul 2025459 AMAQI
4th Jul 20254910 AMAQI
4th Jul 20255111 AMAQI
4th Jul 20255412 PMAQI
4th Jul 2025571 PMAQI
4th Jul 2025592 PMAQI
4th Jul 2025563 PMAQI
4th Jul 2025524 PMAQI
4th Jul 2025535 PMAQI
4th Jul 2025556 PMAQI
4th Jul 2025547 PMAQI
4th Jul 2025508 PMAQI
4th Jul 2025479 PMAQI
4th Jul 20254310 PMAQI
4th Jul 20253911 PMAQI
5th Jul 20254012 AMAQI
5th Jul 2025411 AMAQI
5th Jul 2025422 AMAQI
5th Jul 2025403 AMAQI
29°C26/33°C
5th Jul 2025424 AMAQI
5th Jul 2025445 AMAQI
5th Jul 2025446 AMAQI
5th Jul 2025447 AMAQI
5th Jul 2025458 AMAQI
5th Jul 2025419 AMAQI
5th Jul 20254610 AMAQI
5th Jul 20254911 AMAQI
5th Jul 20255712 PMAQI
5th Jul 2025571 PMAQI
5th Jul 2025582 PMAQI
5th Jul 2025613 PMAQI
5th Jul 2025604 PMAQI
5th Jul 2025645 PMAQI
5th Jul 2025686 PMAQI
5th Jul 2025717 PMAQI
5th Jul 2025668 PMAQI
5th Jul 2025589 PMAQI
5th Jul 20255910 PMAQI
5th Jul 20256011 PMAQI
6th Jul 20255812 AMAQI
6th Jul 2025501 AMAQI
6th Jul 2025412 AMAQI
6th Jul 2025423 AMAQI
30°C27/33°C
6th Jul 2025434 AMAQI
6th Jul 2025455 AMAQI
6th Jul 2025456 AMAQI
6th Jul 2025467 AMAQI
6th Jul 2025468 AMAQI
6th Jul 2025579 AMAQI
6th Jul 20257310 AMAQI
6th Jul 20257811 AMAQI
6th Jul 20258012 PMAQI
6th Jul 2025791 PMAQI
6th Jul 2025782 PMAQI
6th Jul 2025803 PMAQI
6th Jul 2025834 PMAQI
6th Jul 2025875 PMAQI
6th Jul 2025926 PMAQI
6th Jul 2025987 PMAQI
6th Jul 2025938 PMAQI
6th Jul 2025769 PMAQI
6th Jul 20257410 PMAQI
6th Jul 20257611 PMAQI
7th Jul 20257412 AMAQI
7th Jul 2025681 AMAQI
7th Jul 2025482 AMAQI
7th Jul 2025493 AMAQI
31°C28/36°C
7th Jul 2025524 AMAQI
7th Jul 2025555 AMAQI
7th Jul 2025556 AMAQI
7th Jul 2025557 AMAQI
7th Jul 2025558 AMAQI
7th Jul 20251069 AMAQI
7th Jul 202511610 AMAQI
7th Jul 202511111 AMAQI
7th Jul 202510612 PMAQI
7th Jul 2025981 PMAQI
7th Jul 2025922 PMAQI
7th Jul 2025923 PMAQI
7th Jul 2025944 PMAQI
7th Jul 2025965 PMAQI
7th Jul 20251026 PMAQI
7th Jul 20251147 PMAQI
7th Jul 20251038 PMAQI
7th Jul 2025789 PMAQI
7th Jul 20257710 PMAQI
7th Jul 20257811 PMAQI
8th Jul 20257912 AMAQI
8th Jul 2025691 AMAQI
8th Jul 2025572 AMAQI
8th Jul 2025573 AMAQI
31°C28/35°C
8th Jul 2025604 AMAQI
8th Jul 2025665 AMAQI
8th Jul 2025666 AMAQI
8th Jul 2025667 AMAQI
8th Jul 2025668 AMAQI
8th Jul 20251089 AMAQI
8th Jul 202511610 AMAQI
8th Jul 202511111 AMAQI
8th Jul 202510012 PMAQI
8th Jul 2025901 PMAQI
8th Jul 2025812 PMAQI
8th Jul 2025773 PMAQI
8th Jul 2025834 PMAQI
8th Jul 2025845 PMAQI
8th Jul 2025846 PMAQI
8th Jul 2025827 PMAQI
8th Jul 2025828 PMAQI
8th Jul 2025789 PMAQI
8th Jul 20258010 PMAQI
8th Jul 20258211 PMAQI
9th Jul 20258412 AMAQI
9th Jul 2025801 AMAQI
9th Jul 2025652 AMAQI
9th Jul 2025653 AMAQI
31°C28/35°C
9th Jul 2025674 AMAQI
9th Jul 2025725 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025727 AMAQI
9th Jul 2025728 AMAQI
9th Jul 20251019 AMAQI
9th Jul 202511510 AMAQI
9th Jul 202510711 AMAQI
9th Jul 202510312 PMAQI
9th Jul 20251041 PMAQI
9th Jul 2025992 PMAQI
9th Jul 20251043 PMAQI
9th Jul 20251144 PMAQI
9th Jul 20251115 PMAQI
9th Jul 2025906 PMAQI
9th Jul 2025687 PMAQI
9th Jul 2025598 PMAQI
9th Jul 2025599 PMAQI
9th Jul 20255910 PMAQI
9th Jul 20255811 PMAQI
10th Jul 20255812 AMAQI
10th Jul 2025641 AMAQI
10th Jul 2025722 AMAQI
10th Jul 2025713 AMAQI
31°C28/35°C
10th Jul 2025754 AMAQI
10th Jul 2025785 AMAQI
10th Jul 2025786 AMAQI
10th Jul 2025787 AMAQI
10th Jul 2025788 AMAQI
10th Jul 2025449 AMAQI
10th Jul 20255010 AMAQI
10th Jul 20256011 AMAQI
10th Jul 20255912 PMAQI
10th Jul 2025541 PMAQI
10th Jul 2025502 PMAQI
10th Jul 2025453 PMAQI
10th Jul 2025404 PMAQI
10th Jul 2025465 PMAQI
10th Jul 2025476 PMAQI
10th Jul 2025507 PMAQI
10th Jul 2025528 PMAQI
10th Jul 2025599 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025631 AMAQI
11th Jul 2025712 AMAQI
11th Jul 2025703 AMAQI
29°C23/35°C
11th Jul 2025704 AMAQI
11th Jul 2025685 AMAQI
11th Jul 2025686 AMAQI
11th Jul 2025687 AMAQI
11th Jul 2025688 AMAQI
11th Jul 2025299 AMAQI
11th Jul 20251910 AMAQI
11th Jul 20251911 AMAQI
11th Jul 20252112 PMAQI
11th Jul 2025281 PMAQI
11th Jul 2025302 PMAQI
11th Jul 2025323 PMAQI
11th Jul 2025284 PMAQI
11th Jul 2025275 PMAQI
11th Jul 2025296 PMAQI
11th Jul 2025297 PMAQI
11th Jul 2025418 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025601 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
24°C22/27°C
12th Jul 2025644 AMAQI
12th Jul 2025605 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025607 AMAQI
12th Jul 2025618 AMAQI
12th Jul 2025419 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20254111 AMAQI
12th Jul 20254212 PMAQI
12th Jul 2025411 PMAQI
12th Jul 2025392 PMAQI
12th Jul 2025413 PMAQI
12th Jul 2025404 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025396 PMAQI
12th Jul 2025377 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255312 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025623 AMAQI
25°C22/29°C
13th Jul 2025604 AMAQI
13th Jul 2025585 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025439 AMAQI
13th Jul 20253410 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20254612 PMAQI
13th Jul 2025461 PMAQI
13th Jul 2025432 PMAQI
13th Jul 2025403 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025465 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025347 PMAQI
13th Jul 2025338 PMAQI
13th Jul 2025469 PMAQI
13th Jul 20254310 PMAQI
13th Jul 20254311 PMAQI
14th Jul 20254512 AMAQI
14th Jul 2025511 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
27°C24/31°C
14th Jul 2025574 AMAQI
14th Jul 2025565 AMAQI
14th Jul 2025566 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025319 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20252211 AMAQI
14th Jul 20252612 PMAQI
14th Jul 2025261 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025244 PMAQI
14th Jul 2025255 PMAQI
14th Jul 2025256 PMAQI
14th Jul 2025297 PMAQI
14th Jul 2025328 PMAQI
14th Jul 2025459 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20254411 PMAQI
15th Jul 20254412 AMAQI
15th Jul 2025491 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025553 AMAQI
26°C25/29°C
15th Jul 2025544 AMAQI
15th Jul 2025535 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025279 AMAQI
15th Jul 20252210 AMAQI
15th Jul 20252311 AMAQI
15th Jul 20252512 PMAQI
15th Jul 2025291 PMAQI
15th Jul 2025282 PMAQI
15th Jul 2025303 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025325 PMAQI
15th Jul 2025336 PMAQI
15th Jul 2025287 PMAQI
15th Jul 2025288 PMAQI
15th Jul 2025359 PMAQI
15th Jul 20253610 PMAQI
15th Jul 20254011 PMAQI
16th Jul 20254412 AMAQI
16th Jul 2025491 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
27°C26/30°C
16th Jul 2025524 AMAQI
16th Jul 2025485 AMAQI
16th Jul 2025496 AMAQI
16th Jul 2025497 AMAQI
16th Jul 2025498 AMAQI
16th Jul 2025509 AMAQI
16th Jul 20254210 AMAQI
16th Jul 20253111 AMAQI
16th Jul 20252612 PMAQI
16th Jul 2025261 PMAQI
16th Jul 2025272 PMAQI
16th Jul 2025283 PMAQI
16th Jul 2025244 PMAQI
16th Jul 2025255 PMAQI
16th Jul 2025236 PMAQI
16th Jul 2025227 PMAQI
16th Jul 2025298 PMAQI
16th Jul 2025409 PMAQI
16th Jul 20253910 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20253912 AMAQI
17th Jul 2025441 AMAQI
17th Jul 2025502 AMAQI
17th Jul 2025513 AMAQI
28°C26/30°C
17th Jul 2025494 AMAQI
17th Jul 2025475 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025477 AMAQI
17th Jul 2025478 AMAQI
17th Jul 2025329 AMAQI
17th Jul 20253310 AMAQI
17th Jul 20254311 AMAQI
17th Jul 20254212 PMAQI
17th Jul 2025401 PMAQI
17th Jul 2025432 PMAQI
17th Jul 2025403 PMAQI
17th Jul 2025394 PMAQI
17th Jul 2025405 PMAQI
17th Jul 2025456 PMAQI
17th Jul 2025457 PMAQI
17th Jul 2025438 PMAQI
17th Jul 2025459 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254312 AMAQI
18th Jul 2025451 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
29°C27/32°C
18th Jul 2025474 AMAQI
18th Jul 2025455 AMAQI
18th Jul 2025456 AMAQI
18th Jul 2025457 AMAQI
18th Jul 2025458 AMAQI
18th Jul 2025379 AMAQI
18th Jul 20253510 AMAQI
18th Jul 20254111 AMAQI
18th Jul 20253112 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025303 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025226 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025288 PMAQI
18th Jul 2025379 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253612 AMAQI
19th Jul 2025401 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
28°C26/32°C
19th Jul 2025454 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252110 AMAQI
19th Jul 20252911 AMAQI
19th Jul 20252712 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025242 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025235 PMAQI
19th Jul 2025276 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253510 PMAQI
19th Jul 20253511 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025433 AMAQI
29°C26/33°C
20th Jul 2025414 AMAQI
20th Jul 2025395 AMAQI
20th Jul 2025396 AMAQI
20th Jul 2025397 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025299 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252311 AMAQI
20th Jul 20252712 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025272 PMAQI
20th Jul 2025263 PMAQI
20th Jul 2025254 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025297 PMAQI
20th Jul 2025348 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
30°C27/34°C
21st Jul 2025384 AMAQI
21st Jul 2025375 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20252610 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20254312 PMAQI
21st Jul 2025431 PMAQI
21st Jul 2025362 PMAQI
21st Jul 2025323 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025375 PMAQI
21st Jul 2025356 PMAQI
21st Jul 2025337 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20253111 PMAQI
22nd Jul 20253112 AMAQI
22nd Jul 2025341 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
31°C27/35°C
22nd Jul 2025384 AMAQI
22nd Jul 2025375 AMAQI
22nd Jul 2025376 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025378 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20253510 AMAQI
22nd Jul 20254411 AMAQI
22nd Jul 20254312 PMAQI
22nd Jul 2025421 PMAQI
22nd Jul 2025452 PMAQI
22nd Jul 2025463 PMAQI
22nd Jul 2025474 PMAQI
22nd Jul 2025445 PMAQI
22nd Jul 2025376 PMAQI
22nd Jul 2025297 PMAQI
22nd Jul 2025298 PMAQI
22nd Jul 2025309 PMAQI
22nd Jul 20253210 PMAQI
22nd Jul 20253111 PMAQI
23rd Jul 20253212 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025363 AMAQI
31°C28/35°C
23rd Jul 2025374 AMAQI
23rd Jul 2025385 AMAQI
23rd Jul 2025376 AMAQI
23rd Jul 2025387 AMAQI
23rd Jul 2025378 AMAQI
23rd Jul 2025299 AMAQI
23rd Jul 20254310 AMAQI
23rd Jul 20255111 AMAQI
23rd Jul 20255112 PMAQI
23rd Jul 2025521 PMAQI
23rd Jul 2025532 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025534 PMAQI
23rd Jul 2025505 PMAQI
23rd Jul 2025416 PMAQI
23rd Jul 2025347 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025329 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253411 PMAQI
24th Jul 20253012 AMAQI
24th Jul 2025331 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025373 AMAQI
31°C27/35°C
24th Jul 2025374 AMAQI
24th Jul 2025405 AMAQI
24th Jul 2025396 AMAQI
24th Jul 2025397 AMAQI
24th Jul 2025398 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20254310 AMAQI
24th Jul 20255311 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025602 PMAQI
24th Jul 2025633 PMAQI
24th Jul 2025594 PMAQI
24th Jul 2025565 PMAQI
24th Jul 2025486 PMAQI
24th Jul 2025327 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025329 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20253411 PMAQI
25th Jul 20253412 AMAQI
25th Jul 2025341 AMAQI
25th Jul 2025362 AMAQI
25th Jul 2025373 AMAQI
31°C28/36°C
25th Jul 2025384 AMAQI
25th Jul 2025415 AMAQI
25th Jul 2025416 AMAQI
25th Jul 2025417 AMAQI
25th Jul 2025418 AMAQI
25th Jul 2025409 AMAQI
25th Jul 20254710 AMAQI
25th Jul 20255511 AMAQI
25th Jul 20255612 PMAQI
25th Jul 2025521 PMAQI
25th Jul 2025442 PMAQI
25th Jul 2025463 PMAQI
25th Jul 2025384 PMAQI
25th Jul 2025305 PMAQI
25th Jul 2025266 PMAQI
25th Jul 2025257 PMAQI
25th Jul 2025288 PMAQI
25th Jul 2025329 PMAQI
25th Jul 20253010 PMAQI
25th Jul 20253011 PMAQI
26th Jul 20253112 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025372 AMAQI
26th Jul 2025383 AMAQI
31°C29/35°C
26th Jul 2025384 AMAQI
26th Jul 2025405 AMAQI
26th Jul 2025416 AMAQI
26th Jul 2025407 AMAQI
26th Jul 2025408 AMAQI
26th Jul 2025349 AMAQI
26th Jul 20254110 AMAQI
26th Jul 20255211 AMAQI
26th Jul 20255112 PMAQI
26th Jul 2025421 PMAQI
26th Jul 2025352 PMAQI
26th Jul 2025373 PMAQI
26th Jul 2025374 PMAQI
26th Jul 2025345 PMAQI
26th Jul 2025306 PMAQI
26th Jul 2025337 PMAQI
26th Jul 2025338 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253310 PMAQI
26th Jul 20253611 PMAQI
27th Jul 20253112 AMAQI
27th Jul 2025341 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025383 AMAQI
31°C29/35°C
27th Jul 2025384 AMAQI
27th Jul 2025385 AMAQI
27th Jul 2025386 AMAQI
27th Jul 2025387 AMAQI
27th Jul 2025388 AMAQI
27th Jul 2025319 AMAQI
27th Jul 20253610 AMAQI
27th Jul 20254911 AMAQI
27th Jul 20254612 PMAQI
27th Jul 2025371 PMAQI
27th Jul 2025312 PMAQI
27th Jul 2025333 PMAQI
27th Jul 2025314 PMAQI
27th Jul 2025275 PMAQI
27th Jul 2025266 PMAQI
27th Jul 2025257 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025309 PMAQI
27th Jul 20252910 PMAQI
27th Jul 20253011 PMAQI
28th Jul 20252712 AMAQI
28th Jul 2025321 AMAQI
28th Jul 2025362 AMAQI
28th Jul 2025373 AMAQI
31°C28/35°C
28th Jul 2025374 AMAQI
28th Jul 2025375 AMAQI
28th Jul 2025376 AMAQI
28th Jul 2025377 AMAQI
28th Jul 2025378 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20253210 AMAQI
28th Jul 20253811 AMAQI
28th Jul 20254612 PMAQI
28th Jul 2025501 PMAQI
28th Jul 2025552 PMAQI
28th Jul 2025573 PMAQI
28th Jul 2025594 PMAQI
28th Jul 2025575 PMAQI
28th Jul 2025536 PMAQI
28th Jul 2025477 PMAQI
28th Jul 2025408 PMAQI
28th Jul 2025389 PMAQI
28th Jul 20253810 PMAQI
28th Jul 20253511 PMAQI
29th Jul 20253112 AMAQI
29th Jul 2025331 AMAQI
29th Jul 2025352 AMAQI
29th Jul 2025353 AMAQI
31°C28/37°C
29th Jul 2025364 AMAQI
29th Jul 2025385 AMAQI
29th Jul 2025386 AMAQI
29th Jul 2025387 AMAQI
29th Jul 2025378 AMAQI
29th Jul 2025349 AMAQI
29th Jul 20253610 AMAQI
29th Jul 20254211 AMAQI
29th Jul 20254712 PMAQI
29th Jul 2025531 PMAQI
29th Jul 2025522 PMAQI
29th Jul 2025503 PMAQI
29th Jul 2025444 PMAQI
29th Jul 2025405 PMAQI
29th Jul 2025316 PMAQI
29th Jul 2025267 PMAQI
29th Jul 2025258 PMAQI
29th Jul 2025289 PMAQI
29th Jul 20252610 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252512 AMAQI
30th Jul 2025291 AMAQI
30th Jul 2025352 AMAQI
30th Jul 2025353 AMAQI
32°C27/38°C
30th Jul 2025364 AMAQI
30th Jul 2025375 AMAQI
30th Jul 2025386 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025388 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20251810 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025321 PMAQI
30th Jul 2025262 PMAQI
30th Jul 2025233 PMAQI
30th Jul 2025264 PMAQI
30th Jul 2025265 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025347 PMAQI
30th Jul 2025358 PMAQI
30th Jul 2025349 PMAQI
30th Jul 20253410 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20253412 AMAQI
31st Jul 2025341 AMAQI
31st Jul 2025332 AMAQI
31st Jul 2025333 AMAQI
30°C27/36°C
31st Jul 2025334 AMAQI
31st Jul 2025345 AMAQI
31st Jul 2025346 AMAQI
31st Jul 2025347 AMAQI
31st Jul 2025348 AMAQI
31st Jul 2025349 AMAQI
31st Jul 20253410 AMAQI
31st Jul 20254011 AMAQI
31st Jul 20253812 PMAQI
31st Jul 2025311 PMAQI
31st Jul 2025292 PMAQI
31st Jul 2025253 PMAQI
31st Jul 2025234 PMAQI
31st Jul 2025235 PMAQI
31st Jul 2025236 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025258 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025291 AMAQI
1st Aug 2025362 AMAQI
1st Aug 2025363 AMAQI
29°C25/34°C
1st Aug 2025364 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025386 AMAQI
1st Aug 2025377 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025299 AMAQI
1st Aug 20253010 AMAQI
1st Aug 20253611 AMAQI
1st Aug 20253712 PMAQI
1st Aug 2025301 PMAQI
1st Aug 2025352 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025394 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025356 PMAQI
1st Aug 2025247 PMAQI
1st Aug 2025318 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025373 AMAQI
28°C26/32°C
2nd Aug 2025384 AMAQI
2nd Aug 2025395 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025319 AMAQI
2nd Aug 20253110 AMAQI
2nd Aug 20253811 AMAQI
2nd Aug 20253912 PMAQI
2nd Aug 2025441 PMAQI
2nd Aug 2025532 PMAQI
2nd Aug 2025533 PMAQI
2nd Aug 2025504 PMAQI
2nd Aug 2025465 PMAQI
2nd Aug 2025556 PMAQI
2nd Aug 2025517 PMAQI
2nd Aug 2025398 PMAQI
2nd Aug 2025349 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254211 PMAQI
3rd Aug 20253512 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
31°C27/36°C
3rd Aug 2025394 AMAQI
4 AM3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255611 AMAQI
11 AM3rd Aug 20256012 PMAQI
3rd Aug 2025521 PMAQI
3rd Aug 2025552 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025476 PMAQI
6 PM3rd Aug 2025427 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025439 PMAQI
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 6 PM
47AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
9 AM - 10 AM
43AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 6 PM (Avg. 47), while the lowest AQI was between 9 AM to 10 AM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 3 AM
45AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 11 PM
43AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 45), while the lowest AQI was between 12 AM to 11 PM (Avg. 43).
2025 Days Vs Air Quality
Yashio, Saitama, Japan
2025
94%
202
6%
12
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
202 DaysModerate
12 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Yashio, Saitama, Japan
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
1st January 2025
30AQI
30AQI
2nd January 2025
32AQI
32AQI
3rd January 2025
24AQI
24AQI
4th January 2025
27AQI
27AQI
5th January 2025
31AQI
31AQI
6th January 2025
44AQI
44AQI
7th January 2025
29AQI
29AQI
8th January 2025
29AQI
29AQI
9th January 2025
29AQI
29AQI
10th January 2025
28AQI
28AQI
11th January 2025
27AQI
27AQI
12th January 2025
36AQI
36AQI
13th January 2025
30AQI
30AQI
14th January 2025
37AQI
37AQI
15th January 2025
37AQI
37AQI
16th January 2025
31AQI
31AQI
17th January 2025
33AQI
33AQI
18th January 2025
32AQI
32AQI
19th January 2025
43AQI
43AQI
20th January 2025
37AQI
37AQI
21st January 2025
40AQI
40AQI
22nd January 2025
38AQI
38AQI
23rd January 2025
45AQI
45AQI
24th January 2025
43AQI
43AQI
25th January 2025
38AQI
38AQI
26th January 2025
34AQI
34AQI
27th January 2025
34AQI
34AQI
28th January 2025
38AQI
38AQI
29th January 2025
30AQI
30AQI
30th January 2025
32AQI
32AQI
31st January 2025
28AQI
28AQI
1st February 2025
36AQI
36AQI
2nd February 2025
33AQI
33AQI
3rd February 2025
35AQI
35AQI
4th February 2025
31AQI
31AQI
5th February 2025
30AQI
30AQI
6th February 2025
27AQI
27AQI
7th February 2025
28AQI
28AQI
8th February 2025
29AQI
29AQI
9th February 2025
29AQI
29AQI
10th February 2025
27AQI
27AQI
11th February 2025
30AQI
30AQI
12th February 2025
35AQI
35AQI
13th February 2025
33AQI
33AQI
14th February 2025
31AQI
31AQI
15th February 2025
31AQI
31AQI
16th February 2025
38AQI
38AQI
17th February 2025
36AQI
36AQI
18th February 2025
32AQI
32AQI
19th February 2025
30AQI
30AQI
20th February 2025
29AQI
29AQI
21st February 2025
30AQI
30AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
30AQI
30AQI
24th February 2025
32AQI
32AQI
25th February 2025
32AQI
32AQI
26th February 2025
37AQI
37AQI
27th February 2025
41AQI
41AQI
28th February 2025
49AQI
49AQI
1st March 2025
48AQI
48AQI
2nd March 2025
56AQI
56AQI
3rd March 2025
38AQI
38AQI
4th March 2025
38AQI
38AQI
5th March 2025
27AQI
27AQI
6th March 2025
33AQI
33AQI
7th March 2025
30AQI
30AQI
8th March 2025
35AQI
35AQI
9th March 2025
33AQI
33AQI
10th March 2025
35AQI
35AQI
11th March 2025
38AQI
38AQI
12th March 2025
44AQI
44AQI
13th March 2025
40AQI
40AQI
14th March 2025
36AQI
36AQI
15th March 2025
31AQI
31AQI
16th March 2025
25AQI
25AQI
17th March 2025
20AQI
20AQI
18th March 2025
22AQI
22AQI
19th March 2025
17AQI
17AQI
20th March 2025
22AQI
22AQI
21st March 2025
35AQI
35AQI
22nd March 2025
43AQI
43AQI
23rd March 2025
46AQI
46AQI
24th March 2025
43AQI
43AQI
25th March 2025
63AQI
63AQI
26th March 2025
72AQI
72AQI
27th March 2025
68AQI
68AQI
28th March 2025
45AQI
45AQI
29th March 2025
36AQI
36AQI
30th March 2025
40AQI
40AQI
31st March 2025
32AQI
32AQI
1st April 2025
28AQI
28AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
19AQI
19AQI
4th April 2025
21AQI
21AQI
5th April 2025
24AQI
24AQI
6th April 2025
21AQI
21AQI
7th April 2025
25AQI
25AQI
8th April 2025
30AQI
30AQI
9th April 2025
24AQI
24AQI
10th April 2025
38AQI
38AQI
11th April 2025
33AQI
33AQI
12th April 2025
32AQI
32AQI
13th April 2025
27AQI
27AQI
14th April 2025
33AQI
33AQI
15th April 2025
27AQI
27AQI
16th April 2025
26AQI
26AQI
17th April 2025
37AQI
37AQI
18th April 2025
42AQI
42AQI
19th April 2025
51AQI
51AQI
20th April 2025
40AQI
40AQI
21st April 2025
38AQI
38AQI
22nd April 2025
38AQI
38AQI
23rd April 2025
26AQI
26AQI
24th April 2025
34AQI
34AQI
25th April 2025
34AQI
34AQI
26th April 2025
37AQI
37AQI
27th April 2025
41AQI
41AQI
28th April 2025
36AQI
36AQI
29th April 2025
28AQI
28AQI
30th April 2025
36AQI
36AQI
1st May 2025
32AQI
32AQI
2nd May 2025
27AQI
27AQI
3rd May 2025
27AQI
27AQI
4th May 2025
32AQI
32AQI
5th May 2025
29AQI
29AQI
6th May 2025
26AQI
26AQI
7th May 2025
24AQI
24AQI
8th May 2025
26AQI
26AQI
9th May 2025
27AQI
27AQI
10th May 2025
22AQI
22AQI
11th May 2025
22AQI
22AQI
12th May 2025
21AQI
21AQI
13th May 2025
26AQI
26AQI
14th May 2025
27AQI
27AQI
15th May 2025
30AQI
30AQI
16th May 2025
33AQI
33AQI
17th May 2025
24AQI
24AQI
18th May 2025
35AQI
35AQI
19th May 2025
33AQI
33AQI
20th May 2025
52AQI
52AQI
21st May 2025
42AQI
42AQI
22nd May 2025
35AQI
35AQI
23rd May 2025
33AQI
33AQI
24th May 2025
33AQI
33AQI
25th May 2025
25AQI
25AQI
26th May 2025
24AQI
24AQI
27th May 2025
21AQI
21AQI
28th May 2025
22AQI
22AQI
29th May 2025
26AQI
26AQI
30th May 2025
23AQI
23AQI
31st May 2025
16AQI
16AQI
1st June 2025
20AQI
20AQI
2nd June 2025
25AQI
25AQI
3rd June 2025
27AQI
27AQI
4th June 2025
24AQI
24AQI
5th June 2025
31AQI
31AQI
6th June 2025
35AQI
35AQI
7th June 2025
36AQI
36AQI
8th June 2025
43AQI
43AQI
9th June 2025
36AQI
36AQI
10th June 2025
31AQI
31AQI
11th June 2025
30AQI
30AQI
12th June 2025
35AQI
35AQI
13th June 2025
35AQI
35AQI
14th June 2025
29AQI
29AQI
15th June 2025
29AQI
29AQI
16th June 2025
31AQI
31AQI
17th June 2025
41AQI
41AQI
18th June 2025
35AQI
35AQI
19th June 2025
34AQI
34AQI
20th June 2025
33AQI
33AQI
21st June 2025
26AQI
26AQI
22nd June 2025
16AQI
16AQI
23rd June 2025
20AQI
20AQI
24th June 2025
20AQI
20AQI
25th June 2025
19AQI
19AQI
26th June 2025
19AQI
19AQI
27th June 2025
25AQI
25AQI
28th June 2025
24AQI
24AQI
29th June 2025
30AQI
30AQI
30th June 2025
40AQI
40AQI
1st July 2025
41AQI
41AQI
2nd July 2025
46AQI
46AQI
3rd July 2025
44AQI
44AQI
4th July 2025
47AQI
47AQI
5th July 2025
53AQI
53AQI
6th July 2025
68AQI
68AQI
7th July 2025
81AQI
81AQI
8th July 2025
79AQI
79AQI
9th July 2025
81AQI
81AQI
10th July 2025
60AQI
60AQI
11th July 2025
47AQI
47AQI
12th July 2025
50AQI
50AQI
13th July 2025
48AQI
48AQI
14th July 2025
40AQI
40AQI
15th July 2025
39AQI
39AQI
16th July 2025
38AQI
38AQI
17th July 2025
44AQI
44AQI
18th July 2025
37AQI
37AQI
19th July 2025
34AQI
34AQI
20th July 2025
33AQI
33AQI
21st July 2025
35AQI
35AQI
22nd July 2025
36AQI
36AQI
23rd July 2025
39AQI
39AQI
24th July 2025
42AQI
42AQI
25th July 2025
37AQI
37AQI
26th July 2025
37AQI
37AQI
27th July 2025
34AQI
34AQI
28th July 2025
41AQI
41AQI
29th July 2025
36AQI
36AQI
30th July 2025
31AQI
31AQI
31st July 2025
30AQI
30AQI
1st August 2025
33AQI
33AQI
2nd August 2025
38AQI
38AQI
34AQI
33AQI
38AQI
32AQI
28AQI
29AQI
45AQI
36AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
31
28
27
4
29
1
30
1
30
25
6
2
202
12
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
May28AQI
202438AQI
25
6
26
3
23
8
21
9
27
4
29
1
25
6
30
1
27
3
30
1
28
2
31
322
44
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
December31AQI
202342AQI
20
11
19
9
23
8
16
14
24
7
21
9
20
11
29
2
29
1
28
3
18
11
20
11
267
97
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
August30AQI
202237AQI
31
19
2
27
4
23
7
26
5
21
9
22
2
1
28
30
1
21
9
25
6
274
45
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
September27AQI
202132AQI
29
2
26
2
28
3
29
1
28
3
27
3
31
27
4
30
30
1
29
1
28
3
342
23
Highest AQI recorded in
June38AQI
Lowest AQI recorded in
February27AQI
202028AQI
12
1
21
18
27
3
31
27
4
19
30
1
25
5
29
2
239
16
Highest AQI recorded in
August34AQI
Lowest AQI recorded in
September22AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
42AQILeast Polluted Year Recorded
2020(Avg.)
28AQIYashio's annual 2025 AQI (34) shows an average percentage change of -1.04% (improved AQI) compared to previous years: 2020 (28), 2021 (32), 2022 (37), 2023 (42), 2024 (38).
